Two point charges, q1=-80 ×10?? C and q2=20 ×10?? C, are separated by a distance d1= 10 m, as shown in the Figure. Calculate the potential V at point A, located d2= 4 m to the left of q1. Express your answer in volts (V).
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Step 1: The potential at a point due to a point charge is given by: $$V = \frac{kq}{r}$$ where k is Coulomb's constant, q is the charge, and r is the distance from the charge to the point. Show more…
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